Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(4 - 8i)2
A. 16 - 64i
B. -48 - 64i
C. 80 - 64i
D. 16 + 64i
Answer: B
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(2, 5)
A. (3.22, 0.81) B. (3.22, 2.19) C. (5.39, 0.81) D. (5.39, 1.19)
Write the expression as the sum or difference of single logarithms.log17
A. log17(15
) - log17y
B. log1715 + 
log17x - log17y
C. log1715 ? 
log17m ÷ log17y
D. log17y - log1715 - 
log17x
Use the graph to determine the function's domain and range. Write the domain and range in interval notation.
A. domain: x = 1 range: y = -5 B. domain: (-?, ?) range: (-?, ?) C. domain: (-?, ?) range: y = -5 D. domain: x = 1 range: (-?, ?)
Solve.The monthly payment p on a mortgage varies directly with the amount borrowed b. Suppose that you decide to borrow $120,000 using a 30-year mortgage. You are told that your monthly payment is $686.26. Assume that you have decided to buy a more expensive home that requires you to borrow $220,000. What will your monthly payment be?
A. $1258.14 B. $1509.77 C. $1372.52 D. $374.32